22. g1g2 Reinforcing the position. 22... a8d8  23. f1b1  23... e8e6  24. b5a5 Here Black's position is already difficult, as White has a clear plan to improve the position, which could be to bring the other rook to b5 or to advance the a-pawn. Although it's still possible to fight for equality with computer moves, the task is quite difficult during the game.